package day21_28.day26;

import java.math.BigDecimal;
import java.util.Scanner;

public class Main02 {
    public static void main(String[] args) {
        Scanner scn = new Scanner(System.in);
        while (scn.hasNext()) {
            BigDecimal n = scn.nextBigDecimal();
            BigDecimal r = scn.nextBigDecimal();

            //C = 2*3.14*r
            BigDecimal C = new BigDecimal("6.28").multiply(r);

            //n>C:No    表示身长>碗的周长
            //n<=C:Yes
            //compareTo   =:0 >:1 <:-1
            System.out.println(n.compareTo(C) == 1 ? "No" : "Yes");
        }
    }
}
